<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			td{
				text-align: center;
			}
			td:empty::after{
				content: "/";
			}
		</style>
	</head>
	
	<body>
		<table border="1" cellspacing="0" height="200px" width="300px">
			<tr>
				<td>姓名</td>
				<td>二级</td>
				<td>四级</td>
			</tr>
			<tr>
				<td>张三</td>
				<td>61</td>
				<td></td>
			</tr>
			<tr>
				<td>李四</td>
				<td></td>
				<td>620</td>
			</tr>
			<tr>
				<td>王五</td>
				<td></td>
				<td></td>
			</tr>
		</table>
	</body>
</html>
